Fummins Compound Turbo Kit for Ford Cummins Conversions (1970–1998 Ford)
Power Your Ford Cummins Swap with Twin Turbo Performance
The Diesel Power Source Fummins Compound Turbo Kit is the ultimate upgrade for your Cummins engine swap into a Ford truck. Designed for Ford models from 1970 to 1998, this complete twin turbo system delivers unmatched performance for your Fummins build—whether it’s a Cummins-swapped Excursion, an OBS Ford, or any classic conversion.
Available Kit Sizes
Stage 2.5 Max 625hp S362/68/.70 over S475
Stage 3 Max 650hp S362/68/.70 over S480
Stage 4 Max 650hp S363/68/.70 over S475
Stage 4B Max 675hp S363/68/.70 over S480
Stage 4.5 Max 650hp S363/68/.70 Ball Bearing over S475
Stage 4.5B Max 675hp S363/68/.70 Ball Bearing over S480
Stage 5 Max 700hp S363/73/.80 over S475
Stage 5.5 Max 700hp S363/73/.80 Ball Bearing over S475
Stage 6 Max 750hp S363/73/.80 over S480
Stage 6.5 Max 750hp S363/73/.80 Ball Bearing over S480
Stage 8 Max 1100hp S366/73/.80 over S480
Stage 8.5 Max 1100hp S366/73/.80 Ball Bearing over S480
Top Features & Benefits
- Complete Kit: Includes small turbo and S475 large turbo
- Optimal Fit: Clears Ford heater/A/C core for smoother installation
- High-Performance Components: 3-piece high-flow exhaust manifold, largest air filter on the market, chrome-plated high-pressure charge pipe
- Unmatched Durability: 360-degree thrust bearing for 45% more load capacity
- Efficient Cooling: Dual compressors drop EGTs by 300–500°F
- Ideal for Towing: Built for 300–600 HP applications with adjustable boost
- Stock-Like Spool-Up: Fast response with significantly more power and airflow
What’s Included
- DPS small turbo & S475 large turbo
- 3-piece exhaust manifold with pre-tapped pyro ports
- Silicone charge pipe for better flow and easy fit
- Polished DPS turbocharger
- Cast hot pipe, braided oil lines, all gaskets, clamps, and hardware
Perfect for Ford Cummins conversions from 1970 to 1998—including Cummins-swapped Excursions, OBS Ford trucks, and other Fummins projects. This kit provides durability, performance, and fitment you can count on.
